it works and before I go further, let's commit

src/Deck.lua

@@ -1,34 +1,42 @@
-local set = setmetatable
+local class = require "lib.middleclass"
 local insert = table.insert
 local remove = table.remove
 local random = math.random
-local floor = math.floor
+local ceil = math.ceil
 local lg = love.graphics
 
-local Deck = {}
+local Deck = class("Deck")
 
-local inspect = require "lib.inspect" --NOTE DEBUG
+Deck.static.width = 64*2
+Deck.static.height = 89*2
 
-function Deck.initialize(cards)
-    local self = {}
-
-    print(inspect(cards)) --NOTE DEBUG
+function Deck:initialize(cards)
     self.cards = cards or {}
     self.x = 0
     self.y = 0
     self.r = 0
     self.face = "down" --or "up"
-
-    set(self, {__index = Deck})
-    return self
 end
 
-function Deck:draw()
-    local thickness = floor(#self.cards / 3)
-    print(inspect(self.cards)) --NOTE DEBUG
-    self.cards[#self.cards]:draw(self.face, self.x, self.y, self.r)
+function Deck:draw(face, x, y, r)
+    if not face then face = self.face end
+    if not x then x = self.x end
+    if not y then y = self.y end
+    if not r then r = self.r end
 
-    --TODO draw the extra lines
+    lg.push()
+
+    lg.translate(x, y)
+    lg.rotate(r)
+    lg.setColor(255, 255, 255, 255)
+
+    for i=ceil(#self.cards / 3), 1, -1 do --every 3 cards is 1 pixel of thickness to the deck, rounded up
+        lg.rectangle("line", i - Deck.static.width/2, i - Deck.static.height/2, Deck.static.width, Deck.static.height)
+    end
+
+    lg.pop()
+
+    self.cards[#self.cards]:draw(face, x, y, r)
 end
 
 function Deck:moveTo(x, y, r)
@@ -37,6 +45,14 @@ function Deck:moveTo(x, y, r)
     self.r = r or self.r
 end
 
+function Deck:flip()
+    if self.face == "down" then
+        self.face = "up"
+    else
+        self.face = "down"
+    end
+end
+
 function Deck:shuffleCards()
     local new = {}
 
@@ -47,6 +63,10 @@ function Deck:shuffleCards()
     self.cards = new
 end
 
+function Deck:shuffleIn(card) --TODO make capable of handling multiple cards
+    --
+end
+
 function Deck:drawCards(count)
     if count and (count > 1) then
         local new = {}
@@ -83,5 +103,4 @@ function Deck:placeCardsUnder(cards)
     end
 end
 
-set(Deck, {__call = Deck.initialize})
 return Deck